Home / 5,280.32-7,928.28-2,944.89

Finding the Fourth Proportional to 5,280.32, 7,928.28 and 2,944.89

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Solution

The fourth proportional to 5,280.32, 7,928.28 and 2,944.89 is: 4,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.32 : 7,928.28 = 2,944.89 : x
  2. Step 2: Convert to fraction form
    5,280.32/7,928.28 = 2,944.89/x
  3. Step 3: Cross multiply
    5,280.32x = 7,928.28 × 2,944.89
  4. Step 4: Simplify right side
    5,280.32x = 23,347,912.49
  5. Step 5: Solve for x
    x = 23,347,912.49/5,280.32
  6. Step 6: Final answer
    x = 4,421.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.